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Signed "A Moment in Time with Centrosaurus" Hardcover book

Twister, a young Centrosaurus with an uneven neck shield, joins others to migrate north for the summer and return south in the fall, a journey that takes an enormous toll and gives Twister a chance at leadership, in a story that also includes informationabout Centrosaurus.Twister, a young Centrosaurus, joins others to migrate north for the summer and return south in the fall, a journey that takes an enormous toll and gives Twister a chance at leadership, in a story with information about Centrosaurus.

Philip J. Currie, Eva Koppelhus, Jan Sovak

Signed by Dr. Philip Currie and Dr. Eva Koppelhus